Utherm Flat Roof PIR L is a high performance, stiff insulation board made of PIR foam.

The board has a surface of gas-tight aluminum composite foil with low emissions.

UTHERM Flat Roof PIR L is manufactured in accordance with EN 13165.

Technical data:

Area of application: Flat and low incline roofs

Edges: Groove or straight edges

Size: 1200mm x 2500 mm (grooved) and

600 mm x 1200 mm (grooved or straight edges)

Compressive strength: ≥ 150 kPa

Heat conduction ability: 0.022 W/mK

Fire classification: F according to EN 13165

Certification: CE, Sundahus, Byggvaru assessment


  • For mechanical attachment or gluing with PU glue
  • Easy to install
  • Low weight
  • Excellent insulation qualities
  • Suitable for both new construction and renovation